Harish Mahendrakar | 0d8951c | 2014-05-16 10:31:13 -0700 | [diff] [blame^] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ******************************************************************************/ |
| 18 | /** |
| 19 | ******************************************************************************* |
| 20 | * @file |
| 21 | * ihevc_padding_atom_intr.c |
| 22 | * |
| 23 | * @brief |
| 24 | * Contains function definitions for Padding |
| 25 | * |
| 26 | * @author |
| 27 | * Srinivas T |
| 28 | * |
| 29 | * @par List of Functions: |
| 30 | * - ihevc_pad_left_luma_ssse3() |
| 31 | * - ihevc_pad_left_chroma_ssse3() |
| 32 | * - ihevc_pad_right_luma_ssse3() |
| 33 | * - ihevc_pad_right_chroma_ssse3() |
| 34 | * |
| 35 | * @remarks |
| 36 | * None |
| 37 | * |
| 38 | ******************************************************************************* |
| 39 | */ |
| 40 | |
| 41 | #include <string.h> |
| 42 | #include <assert.h> |
| 43 | #include "ihevc_typedefs.h" |
| 44 | #include "ihevc_func_selector.h" |
| 45 | #include "ihevc_platform_macros.h" |
| 46 | #include "ihevc_mem_fns.h" |
| 47 | #include "ihevc_debug.h" |
| 48 | |
| 49 | #include <immintrin.h> |
| 50 | |
| 51 | |
| 52 | /** |
| 53 | ******************************************************************************* |
| 54 | * |
| 55 | * @brief |
| 56 | * Padding (luma block) at the left of a 2d array |
| 57 | * |
| 58 | * @par Description: |
| 59 | * The left column of a 2d array is replicated for pad_size times at the left |
| 60 | * |
| 61 | * |
| 62 | * @param[in] pu1_src |
| 63 | * UWORD8 pointer to the source |
| 64 | * |
| 65 | * @param[in] src_strd |
| 66 | * integer source stride |
| 67 | * |
| 68 | * @param[in] ht |
| 69 | * integer height of the array |
| 70 | * |
| 71 | * @param[in] wd |
| 72 | * integer width of the array |
| 73 | * |
| 74 | * @param[in] pad_size |
| 75 | * integer -padding size of the array |
| 76 | * |
| 77 | * @param[in] ht |
| 78 | * integer height of the array |
| 79 | * |
| 80 | * @param[in] wd |
| 81 | * integer width of the array |
| 82 | * |
| 83 | * @returns |
| 84 | * |
| 85 | * @remarks |
| 86 | * None |
| 87 | * |
| 88 | ******************************************************************************* |
| 89 | */ |
| 90 | |
| 91 | void ihevc_pad_left_luma_ssse3(UWORD8 *pu1_src, |
| 92 | WORD32 src_strd, |
| 93 | WORD32 ht, |
| 94 | WORD32 pad_size) |
| 95 | { |
| 96 | WORD32 row; |
| 97 | WORD32 i; |
| 98 | UWORD8 *pu1_dst; |
| 99 | __m128i const0_16x8b; |
| 100 | |
| 101 | const0_16x8b = _mm_setzero_si128(); |
| 102 | |
| 103 | ASSERT(pad_size % 8 == 0); |
| 104 | |
| 105 | for(row = 0; row < ht; row++) |
| 106 | { |
| 107 | __m128i src_temp0_16x8b; |
| 108 | |
| 109 | src_temp0_16x8b = _mm_loadu_si128((__m128i *)pu1_src); |
| 110 | pu1_dst = pu1_src - pad_size; |
| 111 | src_temp0_16x8b = _mm_shuffle_epi8(src_temp0_16x8b, const0_16x8b); |
| 112 | for(i = 0; i < pad_size; i += 8) |
| 113 | { |
| 114 | _mm_storel_epi64((__m128i *)(pu1_dst + i), src_temp0_16x8b); |
| 115 | } |
| 116 | pu1_src += src_strd; |
| 117 | } |
| 118 | |
| 119 | } |
| 120 | |
| 121 | |
| 122 | |
| 123 | /** |
| 124 | ******************************************************************************* |
| 125 | * |
| 126 | * @brief |
| 127 | * Padding (chroma block) at the left of a 2d array |
| 128 | * |
| 129 | * @par Description: |
| 130 | * The left column of a 2d array is replicated for pad_size times at the left |
| 131 | * |
| 132 | * |
| 133 | * @param[in] pu1_src |
| 134 | * UWORD8 pointer to the source |
| 135 | * |
| 136 | * @param[in] src_strd |
| 137 | * integer source stride |
| 138 | * |
| 139 | * @param[in] ht |
| 140 | * integer height of the array |
| 141 | * |
| 142 | * @param[in] wd |
| 143 | * integer width of the array (each colour component) |
| 144 | * |
| 145 | * @param[in] pad_size |
| 146 | * integer -padding size of the array |
| 147 | * |
| 148 | * @param[in] ht |
| 149 | * integer height of the array |
| 150 | * |
| 151 | * @param[in] wd |
| 152 | * integer width of the array |
| 153 | * |
| 154 | * @returns |
| 155 | * |
| 156 | * @remarks |
| 157 | * None |
| 158 | * |
| 159 | ******************************************************************************* |
| 160 | */ |
| 161 | |
| 162 | void ihevc_pad_left_chroma_ssse3(UWORD8 *pu1_src, |
| 163 | WORD32 src_strd, |
| 164 | WORD32 ht, |
| 165 | WORD32 pad_size) |
| 166 | { |
| 167 | WORD32 row; |
| 168 | WORD32 col; |
| 169 | UWORD8 *pu1_dst; |
| 170 | __m128i const0_16x8b, const1_16x8b; |
| 171 | const0_16x8b = _mm_setzero_si128(); |
| 172 | const1_16x8b = _mm_set1_epi8(1); |
| 173 | const0_16x8b = _mm_unpacklo_epi8(const0_16x8b, const1_16x8b); |
| 174 | |
| 175 | ASSERT(pad_size % 8 == 0); |
| 176 | for(row = 0; row < ht; row++) |
| 177 | { |
| 178 | __m128i src_temp0_16x8b; |
| 179 | |
| 180 | src_temp0_16x8b = _mm_loadu_si128((__m128i *)pu1_src); |
| 181 | pu1_dst = pu1_src - pad_size; |
| 182 | src_temp0_16x8b = _mm_shuffle_epi8(src_temp0_16x8b, const0_16x8b); |
| 183 | |
| 184 | for(col = 0; col < pad_size; col += 8) |
| 185 | { |
| 186 | _mm_storel_epi64((__m128i *)(pu1_dst + col), src_temp0_16x8b); |
| 187 | } |
| 188 | pu1_src += src_strd; |
| 189 | } |
| 190 | |
| 191 | } |
| 192 | |
| 193 | |
| 194 | |
| 195 | /** |
| 196 | ******************************************************************************* |
| 197 | * |
| 198 | * @brief |
| 199 | * Padding (luma block) at the right of a 2d array |
| 200 | * |
| 201 | * @par Description: |
| 202 | * The right column of a 2d array is replicated for pad_size times at the right |
| 203 | * |
| 204 | * |
| 205 | * @param[in] pu1_src |
| 206 | * UWORD8 pointer to the source |
| 207 | * |
| 208 | * @param[in] src_strd |
| 209 | * integer source stride |
| 210 | * |
| 211 | * @param[in] ht |
| 212 | * integer height of the array |
| 213 | * |
| 214 | * @param[in] wd |
| 215 | * integer width of the array |
| 216 | * |
| 217 | * @param[in] pad_size |
| 218 | * integer -padding size of the array |
| 219 | * |
| 220 | * @param[in] ht |
| 221 | * integer height of the array |
| 222 | * |
| 223 | * @param[in] wd |
| 224 | * integer width of the array |
| 225 | * |
| 226 | * @returns |
| 227 | * |
| 228 | * @remarks |
| 229 | * None |
| 230 | * |
| 231 | ******************************************************************************* |
| 232 | */ |
| 233 | |
| 234 | void ihevc_pad_right_luma_ssse3(UWORD8 *pu1_src, |
| 235 | WORD32 src_strd, |
| 236 | WORD32 ht, |
| 237 | WORD32 pad_size) |
| 238 | { |
| 239 | WORD32 row; |
| 240 | WORD32 col; |
| 241 | UWORD8 *pu1_dst; |
| 242 | __m128i const0_16x8b; |
| 243 | |
| 244 | ASSERT(pad_size % 8 == 0); |
| 245 | |
| 246 | for(row = 0; row < ht; row++) |
| 247 | { |
| 248 | __m128i src_temp0_16x8b; |
| 249 | |
| 250 | src_temp0_16x8b = _mm_loadu_si128((__m128i *)(pu1_src - 1)); |
| 251 | const0_16x8b = _mm_setzero_si128(); |
| 252 | pu1_dst = pu1_src; |
| 253 | src_temp0_16x8b = _mm_shuffle_epi8(src_temp0_16x8b, const0_16x8b); |
| 254 | for(col = 0; col < pad_size; col += 8) |
| 255 | { |
| 256 | _mm_storel_epi64((__m128i *)(pu1_dst + col), src_temp0_16x8b); |
| 257 | } |
| 258 | pu1_src += src_strd; |
| 259 | } |
| 260 | |
| 261 | } |
| 262 | |
| 263 | |
| 264 | |
| 265 | /** |
| 266 | ******************************************************************************* |
| 267 | * |
| 268 | * @brief |
| 269 | * Padding (chroma block) at the right of a 2d array |
| 270 | * |
| 271 | * @par Description: |
| 272 | * The right column of a 2d array is replicated for pad_size times at the right |
| 273 | * |
| 274 | * |
| 275 | * @param[in] pu1_src |
| 276 | * UWORD8 pointer to the source |
| 277 | * |
| 278 | * @param[in] src_strd |
| 279 | * integer source stride |
| 280 | * |
| 281 | * @param[in] ht |
| 282 | * integer height of the array |
| 283 | * |
| 284 | * @param[in] wd |
| 285 | * integer width of the array (each colour component) |
| 286 | * |
| 287 | * @param[in] pad_size |
| 288 | * integer -padding size of the array |
| 289 | * |
| 290 | * @param[in] ht |
| 291 | * integer height of the array |
| 292 | * |
| 293 | * @param[in] wd |
| 294 | * integer width of the array |
| 295 | * |
| 296 | * @returns |
| 297 | * |
| 298 | * @remarks |
| 299 | * None |
| 300 | * |
| 301 | ******************************************************************************* |
| 302 | */ |
| 303 | |
| 304 | void ihevc_pad_right_chroma_ssse3(UWORD8 *pu1_src, |
| 305 | WORD32 src_strd, |
| 306 | WORD32 ht, |
| 307 | WORD32 pad_size) |
| 308 | { |
| 309 | WORD32 row; |
| 310 | WORD32 col; |
| 311 | UWORD8 *pu1_dst; |
| 312 | __m128i const0_16x8b, const1_16x8b; |
| 313 | const0_16x8b = _mm_setzero_si128(); |
| 314 | const1_16x8b = _mm_set1_epi8(1); |
| 315 | const0_16x8b = _mm_unpacklo_epi8(const0_16x8b, const1_16x8b); |
| 316 | |
| 317 | ASSERT(pad_size % 8 == 0); |
| 318 | |
| 319 | for(row = 0; row < ht; row++) |
| 320 | { |
| 321 | __m128i src_temp0_16x8b; |
| 322 | |
| 323 | src_temp0_16x8b = _mm_loadu_si128((__m128i *)(pu1_src - 2)); |
| 324 | pu1_dst = pu1_src; |
| 325 | src_temp0_16x8b = _mm_shuffle_epi8(src_temp0_16x8b, const0_16x8b); |
| 326 | for(col = 0; col < pad_size; col += 8) |
| 327 | { |
| 328 | _mm_storel_epi64((__m128i *)(pu1_dst + col), src_temp0_16x8b); |
| 329 | } |
| 330 | |
| 331 | pu1_src += src_strd; |
| 332 | } |
| 333 | } |
| 334 | |